
國中自然2上ch5-2熱量
Authored by 翰林出版國中自然 翰林出版國中自然
Biology
8th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
同一穩定熱源加熱質量 m1克及 m2克的水,加熱時間相同,水溫變化分別為 ΔT1℃及 ΔT2℃,則下列何者正確?
m1:m2=ΔT1:ΔT2
m1×ΔT1=m2×ΔT2
m1×m2=ΔT1×ΔT2
m1:ΔT1=m2:ΔT2
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
若有一個杯子內裝有質量為 10g,溫度為 1℃的水,則下列敘述何者錯誤?
具有 10 卡的熱量
溫度上升至 2℃,必須吸收 10 卡的熱量
比質量 10g,溫度 3℃的水少含 20 卡的熱量
溫度下降至 0.5℃必須放出 5 卡的熱量
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
將三個燒杯分別加入 10 g、40 g 及 70 g 皆 20℃的水,放在同一個穩定熱源上加熱 5 分鐘,若三杯皆未沸騰,則哪一杯的溫度會最高?
10 g 的水
40 g 的水
70 g 的水
三杯水皆相同
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
左圖為 150 公克的水加熱時,溫度與加熱時間的關係圖。若無熱量散失,則每分鐘水吸收了多少熱量?
150 cal
300 cal
750 cal
1500 cal
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
100 g 的水由 10℃上升至 85℃時,所吸收的熱量為多少卡?
1500 卡
3200 卡
7500 卡
5000 卡
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
阿滿欲了解水溫的變化和加熱時間的關係,以燒杯裝 100 公克 20℃的水,在一大氣壓下均勻加熱,每 2 分鐘以溫度計測量水溫 1 次,結果如附表。假設熱源供應維持不變,則按表中數據推論,加熱約幾分鐘,此杯水的溫度可達50℃?
15 分鐘
20 分鐘
30 分鐘
40 分鐘
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
若熱量在兩物體之間傳送,它的熱流方向為何?
質量大的傳向質量小的
溫度高的傳向溫度低的
體積大的傳向體積小的
密度大的傳向密度小的
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